128215836

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{173}}^2$

素因数の和:380

約数の個数: 108

約数和(自身を含む): 394469712

約数和(自身を除く): 266253876

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 17, 18, 21, 28, 34, 36, 42, 51, 63, 68, 84, 102, 119, 126, 153, 173, 204, 238, 252, 306, 346, 357, 476, 519, 612, 692, 714, 1038, 1071, 1211, 1428, 1557, 2076, 2142, 2422, 2941, 3114, 3633, 4284, 4844, 5882, 6228, 7266, 8823, 10899, 11764, 14532, 17646, 20587, 21798, 26469, 29929, 35292, 41174, 43596, 52938, 59858, 61761, 82348, 89787, 105876, 119716, 123522, 179574, 185283, 209503, 247044, 269361, 359148, 370566, 419006, 508793, 538722, 628509, 741132, 838012, 1017586, 1077444, 1257018, 1526379, 1885527, 2035172, 2514036, 3052758, 3561551, 3771054, 4579137, 6105516, 7123102, 7542108, 9158274, 10684653, 14246204, 18316548, 21369306, 32053959, 42738612, 64107918, 128215836]

約数ペア:

[(1, 128215836), (2, 64107918), (3, 42738612), (4, 32053959), (6, 21369306), (7, 18316548), (9, 14246204), (12, 10684653), (14, 9158274), (17, 7542108), (18, 7123102), (21, 6105516), (28, 4579137), (34, 3771054), (36, 3561551), (42, 3052758), (51, 2514036), (63, 2035172), (68, 1885527), (84, 1526379), (102, 1257018), (119, 1077444), (126, 1017586), (153, 838012), (173, 741132), (204, 628509), (238, 538722), (252, 508793), (306, 419006), (346, 370566), (357, 359148), (476, 269361), (519, 247044), (612, 209503), (692, 185283), (714, 179574), (1038, 123522), (1071, 119716), (1211, 105876), (1428, 89787), (1557, 82348), (2076, 61761), (2142, 59858), (2422, 52938), (2941, 43596), (3114, 41174), (3633, 35292), (4284, 29929), (4844, 26469), (5882, 21798), (6228, 20587), (7266, 17646), (8823, 14532), (10899, 11764)]